Undisturbed samples were collected from each tillage system in the row and interrow positions.
Cássio Antonio Tormena, Álvaro Pires da Silva, Silvia Del Carmen Imhoff, Anthony RogerDexter 2008, 'Quantification of the soil physical quality of a tropical oxisol using the S indexQuantificação da qualidade física de um latossolo utilizando o índice S', Scientia Agricolahttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162008000100008. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)